Boston Marathon bombing victims
The explosives sent off near the finish line of the Boston Marathon April 15, 2013 killed three and wounding more than 200; MIT police officer Sean Collier was the fourth victim of the bombers
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The explosives sent off near the finish line of the Boston Marathon April 15, 2013 killed three and wounding more than 200; MIT police officer Sean Collier was the fourth victim of the bombers
Full episode of the CBS Evening News from April 16, 2013
The face of a lost child can become the symbol of a tragedy. Martin an 8 year-old is one of the three victims that lost their lives in the hands of terror
Right after the explosion, some bystanders didn't waste any time before jumping to help
Don Dahler sits with a couple who survived the blast
A history of some of the most notorious and devastating plots to have recently targeted America within its borders
Medical tents set up to treat ill runners were critical to saving lives after bombings
Doctors from emergency department at Brigham and Women's Hospital detail events following Boston Marathon bombing
Former FBI deputy director explains how agency deals with overwhelming amount of pictures, tips on Boston bombing
Only two bombs at marathon, placed inside pressure cookers
FBI still at starting line in search, with no suspect, few clues; asking for any help from public
Patty Campbell was fighting back tears as she described the daughter she lost in the Boston marathon bombing
FBI agent in charge says at this moment in time, agency has no idea who carried out bombings or why
Runners return to downtown Boston to pick up their belongings
A video posted on YouTube shows one of the two bombs that went off at the Boston Marathon
WBZ-TV anchors in Boston read a statement released by the father of the 8-year-old boy killed by the Boston Marathon bombings
"CBS This Morning" takes a look back at the events of the Boston Marathon bombing
Massachusetts elected officials, the FBI and Boston police officials spoke to the public about the next steps in the investigation
Doctors are providing authorities with any evidence they may find during treatments
Law enforcement officials said the Boston Marathon bombs were two improvised explosive devices
Chief White House correspondent Major Garrett discusses President Obama's use of the words, "act of terrorism"
Norah O'Donnell briefs Anthony Mason about the heightened state of alert in Boston after the marathon bombings
Of the 34 patients admitted to the hospital, 31 sustained injuries, 10 were treated and released, and 8 have severe wounds
Of the 34 patients admitted to the hospital, 31 sustained injuries, 10 were treated and released, and 8 have severe wounds
CBS News' Elizabeth Palmer reports on how Londoners are reacting to the Boston Marathon bombings